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AWS ERTi-7 vs. 1070A Aluminum

AWS ERTi-7 belongs to the titanium alloys classification, while 1070A aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-7 and the bottom bar is 1070A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
68
Elongation at Break, % 20
2.3 to 33
Fatigue Strength, MPa 190
17 to 51
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 340
68 to 140
Tensile Strength: Yield (Proof), MPa 280
17 to 120

Thermal Properties

Latent Heat of Fusion, J/g 420
400
Maximum Temperature: Mechanical, °C 320
170
Melting Completion (Liquidus), °C 1670
640
Melting Onset (Solidus), °C 1620
640
Specific Heat Capacity, J/kg-K 540
900
Thermal Conductivity, W/m-K 21
230
Thermal Expansion, µm/m-K 8.7
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
60
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
200

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 47
8.2
Embodied Energy, MJ/kg 800
150
Embodied Water, L/kg 470
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
3.0 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 360
2.1 to 100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 21
7.0 to 14
Strength to Weight: Bending, points 24
14 to 22
Thermal Diffusivity, mm2/s 8.8
94
Thermal Shock Resistance, points 26
3.1 to 6.3

Alloy Composition

Aluminum (Al), % 0
99.7 to 100
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
0 to 0.030
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
0 to 0.25
Magnesium (Mg), % 0
0 to 0.030
Manganese (Mn), % 0
0 to 0.030
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Palladium (Pd), % 0.12 to 0.25
0
Silicon (Si), % 0
0 to 0.2
Titanium (Ti), % 99.417 to 99.8
0 to 0.030
Zinc (Zn), % 0
0 to 0.070